Quick answers
- Does John F. Anderson accept Medicare assignment?
- Yes. Medicare's clinician data says John F. Anderson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does John F. Anderson see?
- In 2024, CMS data shows 454 Original Medicare patients and 1,504 services for John F. Anderson. This counts Original Medicare only and measures volume, not quality.
- What is John F. Anderson's NPI number?
- 1740249580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for John F. Anderson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 454 |
|---|---|
| Services billed to Medicare | 1,504 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Critical care, first 30-74 minutes (99291)691 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)425 services
- Critical care, each additional 30 minutes (99292)137 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)91 services
- Ultrasonic guidance for blood vessel access (76937)30 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease70%
- Arthritis67%
- Atrial fibrillation52%
- Chronic kidney disease50%
Hospitals where John F. Anderson works
Medicare's Facility Affiliation Data lists John F. Anderson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330185
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330045
- Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043
Practice locations
Addresses where John F. Anderson is enrolled with Medicare (CMS data updated October 2, 2026).
- 10201 66th RdForest Hills, NY 11375 (718) 830‑4000
- 75 N Country RdPort Jefferson, NY 11777 (631) 473‑1320
Group practices
Medicare enrollment lists John F. Anderson as a member of these groups (CMS data updated October 2, 2026).
- North Shore-Lij Medical PC6,440 clinicians in the group
- John T Mather Memorial Hospital175 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in New York →
Other critical care doctors in Forest Hills
Clinicians with the same Medicare primary specialty in Forest Hills, NY — not a recommendation.
Other clinicians in North Shore-Lij Medical PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740249580 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians